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https://github.com/PegaProx/project-pegaprox.git
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5b76837e35
We were using a plain logging.FileHandler with no rotation, so on busy clusters (20+ nodes) the per-cluster .log can grow ~100 MB/h until disk runs out — the supplied VM image hit this in #348. New CappedTimedFileHandler in pegaprox/utils/log_handler.py: rotates every 6h and discards the rotated content (we don't need historical operational logs, audit log is separate). Disk use bounded at ~one hour-bucket of writes, regardless of cluster size or activity. Wired in for both PegaProxManager and XcpngManager. log_handler.py added to update_files so update.sh actually pulls it.
35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
"""Bounded file log handler.
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Keeps the active .log file from growing unbounded on busy clusters
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(20+ nodes can produce ~100 MB/h, see #345 / #348).
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"""
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import os
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import time
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from logging.handlers import TimedRotatingFileHandler
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class CappedTimedFileHandler(TimedRotatingFileHandler):
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"""TimedRotatingFileHandler that drops the rotated file instead of archiving.
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Use when only the most recent N hours of operational logs matter and you
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want a strict upper bound on disk use. Audit logs go through a separate
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pipeline (see utils/audit.py), this only affects /opt/PegaProx/logs/<cluster>.log.
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"""
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def doRollover(self):
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if self.stream:
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self.stream.close()
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self.stream = None
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try:
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os.remove(self.baseFilename)
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except FileNotFoundError:
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pass
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# recompute next rollover (mirrors parent logic)
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current = int(time.time())
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new_at = self.computeRollover(current)
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while new_at <= current:
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new_at += self.interval
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self.rolloverAt = new_at
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if not self.delay:
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self.stream = self._open()
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